:root {
  color-scheme: dark;
  --bg: #0b0d0c;
  --panel: #141a17;
  --panel-soft: #1b2621;
  --border: #30463a;
  --text: #f0f4f1;
  --muted: #a8b5ad;
  --accent: #a7e3bf;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at top right, #1b3327 0, var(--bg) 42rem);
  color: var(--text);
  font: 16px/1.65 Georgia, "Times New Roman", serif;
}

a {
  color: var(--accent);
}

.shell {
  width: min(100% - 2rem, 760px);
  margin: 0 auto;
  padding: 3rem 0 5rem;
}

header {
  margin-bottom: 2.5rem;
}

.brand {
  color: var(--accent);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: .04em;
  text-decoration: none;
}

h1, h2, h3, nav, footer {
  font-family: ui-sans-serif, system-ui, sans-serif;
}

h1 {
  font-size: clamp(2rem, 6vw, 3.25rem);
  line-height: 1.1;
  margin: 1.5rem 0 .75rem;
}

h2 {
  border-top: 1px solid var(--border);
  font-size: 1.35rem;
  margin: 2.5rem 0 .75rem;
  padding-top: 1.25rem;
}

h3 {
  font-size: 1rem;
  margin-top: 1.5rem;
}

.lede, .updated {
  color: var(--muted);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem 1rem;
  margin-top: 1.5rem;
}

nav a {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .35rem .8rem;
  text-decoration: none;
}

.card {
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  border: 1px solid var(--border);
  border-radius: 1rem;
  margin: 1rem 0;
  padding: 1.2rem 1.3rem;
}

li { margin: .45rem 0; }

footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .9rem;
  margin-top: 3rem;
  padding-top: 1.25rem;
}

@media (max-width: 520px) {
  .shell { padding-top: 2rem; }
  body { font-size: 15px; }
}